Message ID | 20250318143318.656785-11-aspsk@isovalent.com (mailing list archive) |
---|---|
State | RFC |
Delegated to: | BPF |
Headers | show |
Series | instruction sets and static keys | expand |
diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h index 686824b8b413..a50773d4616e 100644 --- a/tools/lib/bpf/bpf_helpers.h +++ b/tools/lib/bpf/bpf_helpers.h @@ -15,6 +15,14 @@ #define __array(name, val) typeof(val) *name[] #define __ulong(name, val) enum { ___bpf_concat(__unique_value, __COUNTER__) = val } name +#ifndef likely +#define likely(x) (__builtin_expect(!!(x), 1)) +#endif + +#ifndef unlikely +#define unlikely(x) (__builtin_expect(!!(x), 0)) +#endif + /* * Helper macro to place programs, maps, license in * different sections in elf_bpf file. Section names
A few selftests and, more importantly, a consequent changes to the bpf_helpers.h file use likely/unlikely macros. So define them here. Signed-off-by: Anton Protopopov <aspsk@isovalent.com> --- tools/lib/bpf/bpf_helpers.h | 8 ++++++++ 1 file changed, 8 insertions(+)